package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @Classname MyRabbitConfig
 * @Description TODO
 * @Date 2024/7/17 15:26
 * @Created by 369502594
 */
@Configuration
public class MyRabbitConfig {
    /**
     * 使用JSON序列化机制，进行消息转换
     * @return
     */
    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }


//    @RabbitListener(queues = "stock.release.stock.queue")
//    public void handle(Message message){
//
//    }

    @Bean
    public Exchange stockEventExchange() {
        //(String name, boolean durable, boolean autoDelete, Map<String, Object> arguments)
        return new TopicExchange("stock-event-exchange", true, false);
    }

    @Bean
    public Queue stockReleaseStockQueue() {
        // Queue(String name, boolean durable, boolean exclusive, boolean autoDelete,
        //			@Nullable Map<String, Object> arguments)
        return new Queue("stock.release.stock.queue", true, false, false);
    }

    @Bean
    public Queue stockDelayQueue() {
        /**
         *         "x-dead-letter-exchange", "order-event-exchange"
         *         "x-dead-letter-routing-key", "order.release.order"
         *         "x-message-ttl", 60000
         */
        Map<String,Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "stock-event-exchange");
        arguments.put("x-dead-letter-routing-key", "stock.release");
        arguments.put("x-message-ttl", 120000);
        return new Queue("stock.delay.queue", true, false, false,
                //死信队列
                arguments);
    }

    @Bean
    public Binding stockReleaseBinding() {
        //(String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments)
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null);
    }

    @Bean
    public Binding stockLockedBinding() {
        //(String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments)
        return new Binding("stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked",
                null);
    }
}
